A system for providing automatic feedback and adjusting transmittal pulling force for transporting glass fragment, where the system comprises a delivery machine, a glass broken machine and a recycle box. The glass fragment is transmitted by the delivery machine and triturated by the glass broken machine, and the triturated glass fragment is then transported to the recycle box, the delivery machine comprises a driving motor, a conveyer belt and two driving rollers, where the conveyer belt surrounds the two driving rollers, the driving rollers are driven by the driving motor to rotate the conveyer belt, and the glass fragment on the conveyer belt is transported into the glass broken machine for triturating and recycling.